S-90212A815 1 3/4"-8 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion protection with blue PTFE coating for extended service life in harsh environments
• Enhanced load distribution through extra wide profile design, reducing stress concentration
• High-strength performance meeting ASTM Grade 2H requirements for demanding applications
• Precise thread engagement with Class 2B fine threads ensuring reliable, vibration-resistant connections
• Industry-standard compliance with ASTM A194 specifications for quality assurance
• Optimal torque transmission through external hex drive design for easy installation
• Fine thread advantage providing better adjustment precision and superior clamping force

Professional Applications & Engineering Value

This extra wide hex nut delivers exceptional engineering value through its blue PTFE-coated steel construction, which provides outstanding chemical resistance while maintaining structural integrity. The 1 3/4"-8 UN fine thread configuration with Class 2B fit ensures precise alignment and superior vibration resistance in heavy machinery, structural steel connections, and industrial equipment. The extra wide profile significantly increases bearing surface area, distributing clamping forces more effectively to prevent joint loosening and material deformation. Engineered to ASTM A194 standards with Grade 2H strength, this nut solves critical challenges in applications requiring both corrosion protection and high mechanical performance, making it ideal for chemical processing, marine environments, and heavy construction where reliability is paramount.

Specification Summary & Compliance

This extra wide hex nut features precise Class 2B thread fit with 1 3/4"-8 UN fine threads and right-hand threading direction. Manufactured to ASTM A194 specifications with ASTM Grade 2H strength classification, ensuring consistent quality and performance. Dimensions include 2 3/4" width and 1 23/32" height for optimal load distribution. The product meets industry standards for dimensional accuracy and material properties suitable for demanding industrial applications.